Spectrum: Local Antimicrobial Stewardship, for Markham Stouffville Hospital

Not at Risk for Pseudomonas

Empiric Antimicrobial Therapy

Ceftriaxone 2g IV q24h

CONSIDER ADDING

Azithromycin 500mg IV q24h

If Legionella suspected

Legionella Risk Factors

  • Older age

  • Immunocompromised

  • Diabetes

  • Chronic lung disease

  • Heavy smoker

  • Known exposure

  • Season: June to October

  • Positive urine Legionella antigen test

Severe Beta-Lactam Allergy

Moxifloxacin 400mg IV daily